원본 게시물 작성자: Dan A+

텍스트:

If the monitor went blank when you enabled Secure Boot and disabled CSM, then Secure Boot may have disabled your monitor or graphics drivers. Chances are, Secure Boot doesn't recognized the drivers as digitally signed.  Your options may be to:

# Disable Secure Boot again.
# Reinstall the OS under the current configuration (with Secure Boot enabled).

현황:

open